Is Your Name Cthulhu?

Chalk words appear inexplicably on the blackboard, the teaching building does not exist, the red rabbit appears on the campus, the extra classrooms, the forgotten teachers, the strange student rules, and the hidden things in Changling No. 3 Middle School... "Bang," Lu Xiaoming kicked open the closed door. There is no secret in front of me, Lu Xiaoming! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.